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Author Topic: Can the Hashes from block generation be useful?  (Read 1307 times)
kokjo
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April 25, 2011, 05:46:02 PM
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can they for example be used in cryptographic research, or anything else useful?

or are they just completely useless?

"The whole problem with the world is that fools and fanatics are always so certain of themselves and wiser people so full of doubts." -Bertrand Russell
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Garrett Burgwardt
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April 25, 2011, 06:09:05 PM
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If you collect the hashes, you're almost generating http://en.wikipedia.org/wiki/Rainbow_tables

So  potentially they are as useful as a rainbow table, though whether you think that is a good thing is up to you Wink
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April 25, 2011, 10:54:30 PM
 #3

random entrophy data for a cryptographic stream cypher?

"The powers of financial capitalism had another far-reaching aim, nothing less than to create a world system of financial control in private hands able to dominate the political system of each country and the economy of the world as a whole. This system was to be controlled in a feudalist fashion by the central banks of the world acting in concert, by secret agreements arrived at in frequent meetings and conferences. The apex of the systems was to be the Bank for International Settlements in Basel, Switzerland, a private bank owned and controlled by the world's central banks which were themselves private corporations. Each central bank...sought to dominate its government by its ability to control Treasury loans, to manipulate foreign exchanges, to influence the level of economic activity in the country, and to influence cooperative politicians by subsequent economic rewards in the business world."

- Carroll Quigley, CFR member, mentor to Bill Clinton, from 'Tragedy And Hope'
benjamindees
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April 26, 2011, 07:53:13 AM
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Yes they are rainbow tables.

Civil Liberty Through Complex Mathematics
NghtRppr
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April 26, 2011, 12:14:30 PM
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can they for example be used in cryptographic research, or anything else useful?

or are they just completely useless?

Bitcoins themselves have value since they can be used to slow spammers down.

http://en.wikipedia.org/wiki/Proof-of-work_system
kokjo
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April 26, 2011, 12:49:38 PM
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can they for example be used in cryptographic research, or anything else useful?

or are they just completely useless?

Bitcoins themselves have value since they can be used to slow spammers down.

http://en.wikipedia.org/wiki/Proof-of-work_system
i did understand the whole proof-of-work system.

but can the hash-to-blockdata mapping be used for something else.
i mean all thees 0's in the beginning of the hash, can they be used for something? can all the hash-block pairs be used for not just generating btc? it is not everyday a cryptografer haves a 960.36 ghash/s network, which is generating a lot of 0's

"The whole problem with the world is that fools and fanatics are always so certain of themselves and wiser people so full of doubts." -Bertrand Russell
John Tobey
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April 29, 2011, 06:56:35 PM
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can they for example be used in cryptographic research, or anything else useful?

or are they just completely useless?

I answered this in another thread.  Block hashes serve as the hashing community's signature attesting to the completeness of the block chain.  The strength of the hash on a block and its subsequent blocks is what gives receivers confidence that their coins are not double-spent.  By hash strength, I mean the "number of zeroes" or difficulty score.  They are not useless at all... until someone breaks double SHA-256.

http://bitcointalk.org/index.php?topic=6459.msg98999#msg98999

Can a change to the best-chain criteria protect against 51% to 90+% attacks without a hard fork?
rezin777
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April 29, 2011, 07:16:58 PM
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can they for example be used in cryptographic research, or anything else useful?

or are they just completely useless?

That depends if bitcoins are useful or not.

It's my opinion that bitcoins have the potential to improve the world in ways that far outnumber the rest of the distributed computing programs combined.

But I'm an optimist.
kokjo
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April 29, 2011, 07:32:39 PM
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can they for example be used in cryptographic research, or anything else useful?

or are they just completely useless?

I answered this in another thread.  Block hashes serve as the hashing community's signature attesting to the completeness of the block chain.  The strength of the hash on a block and its subsequent blocks is what gives receivers confidence that their coins are not double-spent.  By hash strength, I mean the "number of zeroes" or difficulty score.  They are not useless at all... until someone breaks double SHA-256.

http://bitcointalk.org/index.php?topic=6459.msg98999#msg98999

i know that. but anything not bitcoin related?

"The whole problem with the world is that fools and fanatics are always so certain of themselves and wiser people so full of doubts." -Bertrand Russell
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April 29, 2011, 08:47:52 PM
 #10

BitLotto finds them useful!  Grin Starting June 1, they'll be used to generate the numbers for the lottery.

*Next Draw Feb 1*  BitLotto: monthly raffle (0.25 BTC per ticket) Completely transparent and impossible to manipulate who wins. TOR
TOR2WEB
Donations to: 1JQdiQsjhV2uJ4Y8HFtdqteJsZhv835a8J are appreciated.
kokjo
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April 29, 2011, 08:55:55 PM
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BitLotto finds them useful!  Grin Starting June 1, they'll be used to generate the numbers for the lottery.
Nice. thats good. Cheesy

"The whole problem with the world is that fools and fanatics are always so certain of themselves and wiser people so full of doubts." -Bertrand Russell
John Tobey
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April 30, 2011, 03:13:38 AM
 #12

i know that. but anything not bitcoin related?

Ah, then I must confess a lack of curiosity.  It's a little like asking what an automated teller machine is good for, other than money-related things.  If it's heavy enough, it might protect you from a stampeding herd of elephants.  Kind of like the lotto application, mildly cute but shrug-worthy.

Can a change to the best-chain criteria protect against 51% to 90+% attacks without a hard fork?
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April 30, 2011, 03:20:29 AM
 #13

Kind of like the lotto application, mildly cute but shrug-worthy.
Hey!!!  Tongue

*Next Draw Feb 1*  BitLotto: monthly raffle (0.25 BTC per ticket) Completely transparent and impossible to manipulate who wins. TOR
TOR2WEB
Donations to: 1JQdiQsjhV2uJ4Y8HFtdqteJsZhv835a8J are appreciated.
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